/*
 * Copyright © ${year} ${owner} (${email})
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.jd.live.agent.governance.doc;

import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;

public class LiveDocumentRegistry implements DocumentRegistry {

    private final List<Document> docs = new CopyOnWriteArrayList<>();

    @Override
    public void register(Document doc) {
        if (doc != null) {
            docs.add(doc);
        }
    }

    @Override
    public void unregister(Document doc) {
        if (doc != null) {
            docs.remove(doc);
        }
    }

    @Override
    public List<Document> getDocuments() {
        return docs;
    }
}